This pull request is generated with proto changes between googleapis/googleapis@c5334a8 (exclusive) and googleapis/googleapis@d869249 (inclusive).

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chore: update the libraries_bom version to 26.66.0
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feat: [document-ai] Added config options for derived fields and signature detection. Some annotation changes changes to mark fields explicitly output only (no changes in semantics just readability)
docs: [document-ai] A comment for field document_schema in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field create_time in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field latest_evaluation in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field kms_key_name in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field kms_key_version_name in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field deprecation_info in message .google.cloud.documentai.v1.ProcessorVersion is changed to describe as output only.
docs: [document-ai] A comment for field create_time in message .google.cloud.documentai.v1.Processor is changed to describe as output only.

PiperOrigin-RevId: 795630471

Source Link: googleapis/googleapis@6429996
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feat: [bigqueryreservation] Add Reservation.max_slots field to Reservation proto, indicating the total max number of slots this reservation can use up to

feat: [bigqueryreservation] Add Reservation.scaling_mode field and its corresponding enum message ScalingMode. This field should be used together with Reservation.max_slots
PiperOrigin-RevId: 795606766

Source Link: googleapis/googleapis@6388d14
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feat: [maps-solar] Add experiments param to endpoints for access to pre-GA features
feat: [maps-solar] Add new ImageryQuality tier for allowing satellite-based Solar API results
docs: [maps-solar] Add more detailed descriptions for each ImageryQuality tier

PiperOrigin-RevId: 795589896

Source Link: googleapis/googleapis@74853d7
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feat: [cloudbuild] Add option to enable nested virtualization if available
docs: [cloudbuild] Update comments for machine_type and disk_size_gb

PiperOrigin-RevId: 795519165

Source Link: googleapis/googleapis@185c73c
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docs: [shopping-merchant-accounts] fix comment for online return policy

PiperOrigin-RevId: 794909405

Source Link: googleapis/googleapis@997100b
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feat: [aiplatform] add option EndpointUserId and ModelUserId fields
feat: [aiplatform] migrate dedicated endpoint to be enabled by default
docs: [aiplatform] A comment for field dedicated_endpoint_enabled in message .google.cloud.aiplatform.v1beta1.DeployRequest is changed

PiperOrigin-RevId: 794762651

Source Link: googleapis/googleapis@00f5023
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fix!: [aiplatform] fields are not part of oneof

PiperOrigin-RevId: 794602136

Source Link: googleapis/googleapis@8fe8f9f
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docs: [java-shopping-merchant-issue-resolution] update docs for issue resolution

PiperOrigin-RevId: 794497663

Source Link: googleapis/googleapis@9555af8
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chore: [gkehub] remove unused import and reformat service.proto

docs: [gkehub] Reformat comments for several messages, including ListFeaturesRequest, CreateFeatureRequest, and OperationMetadata
PiperOrigin-RevId: 794274090

Source Link: googleapis/googleapis@2c21d71
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feat: [aiplatform] add gpu_partition_size to MachineSpec

PiperOrigin-RevId: 794199275

Source Link: googleapis/googleapis@2282643
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feat: [aiplatform] Add API for Gen AI Evaluation in Tuning

PiperOrigin-RevId: 794142993

Source Link: googleapis/googleapis@a6ec087
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feat: [aiplatform] expose RecommendSpecs api to vertex python SDK for Custom Weights Model deployment

PiperOrigin-RevId: 793835739

Source Link: googleapis/googleapis@79a8512
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feat: [aiplatform] add option EndpointUserId and ModelUserId fields
feat: [aiplatform] migrate dedicated endpoint to be enabled by default
docs: [aiplatform] A comment for field dedicated_endpoint_enabled in message .google.cloud.aiplatform.v1.DeployRequest is changed

PiperOrigin-RevId: 793795027

Source Link: googleapis/googleapis@54236ee
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feat: [aiplatform] Added document_name for vertex ai search as part of retrieved context from grounding chunk

PiperOrigin-RevId: 793753394

Source Link: googleapis/googleapis@6d24fdd
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feat: [network-management] add service_uri field to CloudRunRevisionEndpoint

PiperOrigin-RevId: 793279699

Source Link: googleapis/googleapis@f4902d9
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feat: [os-config] Add highest_upgradable_cve_severity field to Vulnerability report
docs: [os-config] A comment for field update_time in message .google.cloud.osconfig.v1.VulnerabilityReport is changed
docs: [os-config] A comment for field filter in message .google.cloud.osconfig.v1.ListVulnerabilityReportsRequest is changed

PiperOrigin-RevId: 792763000

Source Link: googleapis/googleapis@eef0d65
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feat: [cloudsupport] A new message GetAttachmentRequest and GetComment is added

PiperOrigin-RevId: 792747515

Source Link: googleapis/googleapis@1dfb2b3
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feat: [aiplatform] Add support for CMEK, runtime controls, and PSC-I to Reasoning Engine protos
docs: [aiplatform] Add psc_interface_config, min/max_instances, resource_limits, container_concurrency to ReasoningEngineSpec
docs: [aiplatform] Add encryption_spec to ReasoningEngine

PiperOrigin-RevId: 792745180

Source Link: googleapis/googleapis@85f7aec
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