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server : (web UI) Add back sampler settings (#10239)
* Add back samplers to server * Added tooltips with basic information * Fixed stretching of input fields. * use component for settings input, move help msg to tooltips --------- Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
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@ -200,23 +200,38 @@
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<div class="label">System Message</div>
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<textarea class="textarea textarea-bordered h-24" :placeholder="'Default: ' + configDefault.systemMessage" v-model="config.systemMessage"></textarea>
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</label>
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<template v-for="key in ['temperature', 'top_k', 'top_p', 'min_p', 'max_tokens']">
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<label class="input input-bordered flex items-center gap-2 mb-2">
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<b>{{ key }}</b>
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<input type="text" class="grow" :placeholder="'Default: ' + (configDefault[key] || 'none')" v-model="config[key]" />
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</label>
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<template v-for="configKey in ['temperature', 'top_k', 'top_p', 'min_p', 'max_tokens']">
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<settings-modal-numeric-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]" />
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</template>
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<!-- TODO: add more sampling-related configs, please regroup them into different "collapse" sections -->
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<div class="collapse collapse-arrow bg-base-200 mb-2">
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<input type="checkbox" />
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<div class="collapse-title font-bold">Advanced config</div>
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<!-- Section: Other sampler settings -->
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<details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
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<summary class="collapse-title font-bold">Other sampler settings</summary>
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<div class="collapse-content">
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<template v-for="configKey in ['dynatemp_range', 'dynatemp_exponent', 'typical_p', 'xtc_probability', 'xtc_threshold']">
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<settings-modal-numeric-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]" />
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</template>
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</div>
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</details>
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<!-- Section: Penalties settings -->
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<details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
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<summary class="collapse-title font-bold">Penalties settings</summary>
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<div class="collapse-content">
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<template v-for="configKey in ['repeat_last_n', 'repeat_penalty', 'presence_penalty', 'frequency_penalty', 'dry_multiplier', 'dry_base', 'dry_allowed_length', 'dry_penalty_last_n']">
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<settings-modal-numeric-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]" />
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</template>
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</div>
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</details>
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<!-- Section: Advanced config -->
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<details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
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<summary class="collapse-title font-bold">Advanced config</summary>
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<div class="collapse-content">
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<label class="form-control mb-2">
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<div class="label inline">Custom JSON config (For more info, refer to <a class="underline" href="https://github.com/ggerganov/llama.cpp/blob/master/examples/server/README.md" target="_blank" rel="noopener noreferrer">server documentation</a>)</div>
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<textarea class="textarea textarea-bordered h-24" placeholder="Example: { "mirostat": 1, "min_p": 0.1 }" v-model="config.custom"></textarea>
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</label>
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</div>
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</div>
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</details>
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</div>
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<!-- action buttons -->
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@ -229,6 +244,21 @@
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</dialog>
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</div>
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<!-- Template to be used by settings modal -->
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<template id="settings-modal-numeric-input">
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<label class="input input-bordered join-item grow flex items-center gap-2 mb-2">
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<!-- Show help message on hovering on the input label -->
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<div class="dropdown dropdown-hover">
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<div tabindex="0" role="button" class="font-bold">{{ configKey }}</div>
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<div class="dropdown-content menu bg-base-100 rounded-box z-10 w-64 p-2 shadow mt-4">
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{{ configInfo[configKey] || '(no help message available)' }}
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</div>
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</div>
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<!-- Here we forward v-model from parent to child component, see: https://stackoverflow.com/questions/47311936/v-model-and-child-components -->
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<input type="text" class="grow" :placeholder="'Default: ' + (configDefault[configKey] || 'none')" :value="modelValue" @input="$emit('update:modelValue', $event.target.value)" />
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</label>
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</template>
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<script src="./deps_markdown-it.js"></script>
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<script type="module">
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import { createApp, defineComponent, shallowRef, computed, h } from './deps_vue.esm-browser.js';
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@ -245,12 +275,48 @@
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systemMessage: 'You are a helpful assistant.',
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// make sure these default values are in sync with `common.h`
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temperature: 0.8,
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dynatemp_range: 0.0,
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dynatemp_exponent: 1.0,
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top_k: 40,
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top_p: 0.95,
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min_p: 0.05,
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xtc_probability: 0.0,
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xtc_threshold: 0.1,
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typical_p: 1.0,
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repeat_last_n: 64,
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repeat_penalty: 1.0,
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presence_penalty: 0.0,
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frequency_penalty: 0.0,
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dry_multiplier: 0.0,
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dry_base: 1.75,
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dry_allowed_length: 2,
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dry_penalty_last_n: -1,
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max_tokens: -1,
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custom: '', // custom json-stringified object
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};
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const CONFIG_INFO = {
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apiKey: '',
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systemMessage: 'The starting message that defines how model should behave.',
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temperature: 'Controls the randomness of the generated text by affecting the probability distribution of the output tokens. Higher = more random, lower = more focused.',
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dynatemp_range: 'Addon for the temperature sampler. The added value to the range of dynamic temperature, which adjusts probabilities by entropy of tokens.',
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dynatemp_exponent: 'Addon for the temperature sampler. Smoothes out the probability redistribution based on the most probable token.',
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top_k: 'Keeps only k top tokens.',
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top_p: 'Limits tokens to those that together have a cumulative probability of at least p',
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min_p: 'Limits tokens based on the minimum probability for a token to be considered, relative to the probability of the most likely token.',
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xtc_probability: 'XTC sampler cuts out top tokens; this parameter controls the chance of cutting tokens at all. 0 disables XTC.',
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xtc_threshold: 'XTC sampler cuts out top tokens; this parameter controls the token probability that is required to cut that token.',
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typical_p: 'Sorts and limits tokens based on the difference between log-probability and entropy.',
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repeat_last_n: 'Last n tokens to consider for penalizing repetition',
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repeat_penalty: 'Controls the repetition of token sequences in the generated text',
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presence_penalty: 'Limits tokens based on whether they appear in the output or not.',
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frequency_penalty: 'Limits tokens based on how often they appear in the output.',
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dry_multiplier: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling multiplier.',
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dry_base: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the DRY sampling base value.',
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dry_allowed_length: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets the allowed length for DRY sampling.',
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dry_penalty_last_n: 'DRY sampling reduces repetition in generated text even across long contexts. This parameter sets DRY penalty for the last n tokens.',
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max_tokens: 'The maximum number of token per output.',
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custom: '', // custom json-stringified object
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};
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// config keys having numeric value (i.e. temperature, top_k, top_p, etc)
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const CONFIG_NUMERIC_KEYS = Object.entries(CONFIG_DEFAULT).filter(e => isNumeric(e[1])).map(e => e[0]);
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// list of themes supported by daisyui
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@ -269,6 +335,12 @@
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{ props: ["source", "options", "plugins"] }
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);
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// inout field to be used by settings modal
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const SettingsModalNumericInput = defineComponent({
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template: document.getElementById('settings-modal-numeric-input').innerHTML,
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props: ['configKey', 'configDefault', 'configInfo', 'modelValue'],
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});
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// coversations is stored in localStorage
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// format: { [convId]: { id: string, lastModified: number, messages: [...] } }
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// convId is a string prefixed with 'conv-'
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@ -359,6 +431,7 @@
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const mainApp = createApp({
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components: {
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VueMarkdown,
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SettingsModalNumericInput,
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},
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data() {
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return {
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@ -376,6 +449,7 @@
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// const
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themes: THEMES,
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configDefault: {...CONFIG_DEFAULT},
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configInfo: {...CONFIG_INFO},
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}
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},
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computed: {},
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@ -452,8 +526,22 @@
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stream: true,
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cache_prompt: true,
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temperature: this.config.temperature,
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dynatemp_range: this.config.dynatemp_range,
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dynatemp_exponent: this.config.dynatemp_exponent,
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top_k: this.config.top_k,
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top_p: this.config.top_p,
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min_p: this.config.min_p,
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typical_p: this.config.typical_p,
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xtc_probability: this.config.xtc_probability,
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xtc_threshold: this.config.xtc_threshold,
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repeat_last_n: this.config.repeat_last_n,
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repeat_penalty: this.config.repeat_penalty,
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presence_penalty: this.config.presence_penalty,
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frequency_penalty: this.config.frequency_penalty,
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dry_multiplier: this.config.dry_multiplier,
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dry_base: this.config.dry_base,
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dry_allowed_length: this.config.dry_allowed_length,
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dry_penalty_last_n: this.config.dry_penalty_last_n,
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max_tokens: this.config.max_tokens,
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...(this.config.custom.length ? JSON.parse(this.config.custom) : {}),
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...(this.config.apiKey ? { api_key: this.config.apiKey } : {}),
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